16. BATTERY/CHARGING SYSTEM/ A.C. GENERATOR ATV 300/250 CHARGING SYSTEM SHORT CIRCUIT TEST Disconnect the ground wire from the battery and connect an ammeter across the battery negative (-) terminal and the ground wire. Turn the ignition switch OFF and check for short circuit. Connect the electric tester positive (+) terminal to ground wire and the tester negative (-) terminal to the battery negative (-) terminal. If any abnormality is found, check the ignition switch and wire harness for short circuit. CURRENT TEST This inspection must be performed with an electric tester when the battery is fully charged. Warm up the engine for inspection. Connect the electric tester across the battery terminals. Disconnect the red wire from the fuse terminal and connect an ammeter between the red wire lead and the fuse terminal as shown. Attach a tachometer to the engine. Start the engine and gradually increase the engine speed to measure the limit voltage and current. Limit Voltage/Current: 13.515.5 V/0.5 A max. If the limit voltage is not within the specified range, check the regulator/rectifier. 16-6